Answer:
D
Step-by-step explanation:
So we have the expression:

Combine like terms:

Add or subtract:

Simplify:

Our answer is D
Answer:
Megan would save $19.90.
Step-by-step explanation:
49.75 divided by 0.40 is equal to 19.90.
3 because the next number to the right is a 0 and will not be rounded up.
6 - x = 2(x - 6)
the first step, following PEMDAS, is to distribute the 2 to the inside of your parentheses:
6 - x = 2x - 12 ... subtract 2x
6 - 3x = -12 ... subtract 6
-3x = -18 ... divide by -3
x = 6 is the answer